1.

Quadraticequation. by factorisation method.4y² +4y+ 1 =0​

Answer»

Step-by-step explanation:

4y^2+4y+1=0

=>4y^2+2Y+2y+1=0

=>2y(2y+1)+1(2y+1)=0

=>(2y+1)(2y+1)=0

2y+1=0

=>2y= -1

=>y= -1/2



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